*{
    margin:0 ;padding: 0;
}
body{
    background: rgb(222,222,222);
    font:18px/2.0 "Microsoft YaHei",SimSun,sans-serif;
}
#header{
    width: 100%;
    height: 60px;
    background: #333;
    overflow: hidden;
}
#header h1{
    float: left;
}
#header img{
    margin-left:40px;
}
#nav ul{
    float: right;
    display: block;
}
#nav ul li{
    float: left;
    margin: 0 1em;
}
#nav ul a{
    display: block;
    text-decoration: none;
    text-align: center;
    width: 88px;
    line-height: 60px;
    color: white;
}
#nav ul a:hover{
    color: red;
}
.article{
    margin: 20px 25px; ;
    padding:20px ;
    background: white;
    box-shadow: 2px 2px 2px #848484;
}
.article ol{
    padding-left: 40px;
}
.article table{
    width: 100%;
    border:1px solid gray;
    border-collapse: collapse;
}
.article th{
    background: black;
    color: white;
    border:1px solid gray;
}
.article td{
    border:1px solid gray;
}
.aboutArticle{
    color: rgb(106,106,106);
    font-size: 14px;
}
.text ul {
    list-style: none;
    padding-left: 20px;
}
h3{color: rgb(112,112,112);}
p{
    text-indent: 20px;
}
.picture{
    margin: 20px 25px; ;
    padding:20px ;
    background: white;
    box-shadow: 2px 2px 2px #848484;
    overflow: hidden;
}
.picture img{
    width: 150px;
    height: 120px;
}
figure{
    float: left;
    width:150px;
    height: 170px;
    padding: 10px;
    margin-left: 50px;
    margin-bottom: 20px;
    border:1px solid gray;
}
figcaption{
    text-align: center;
    margin: 2px;
}
#container{
    overflow: hidden;
}
#main{
    margin-right: 540px;
}
#sidebar{
    width: 460px;
    float: right;
    font-size: 14px;
    margin: 20px 25px 20px 0px;
    padding:20px ;
    background: white;
    box-shadow: 2px 2px 2px #848484;
}
#sidebar h2{
    border-left: 4px solid #ccc;
    padding-left: 40px;
}
#sidebar h3{
    text-align: center;
}
#sidebar table{
    width: 100%;
    margin: 0 auto;
}
#sidebar table tr td.left{
    text-align: right;
    padding-right: 20px;
}
#sidebar table tr td span{
    font-size: 14px;
    text-align: left;
    color: rgb(114,114,114);
}
#sidebar form button{
    width: 100%;
    height: 40px;
    font-size: 18px;
    color: white;
    background: rgb(51,85,208);
    border-radius: 10px;
}
footer{
    clear: both;
    width: 100%;
    height: 60px;
    color: white;
    text-align: center;
    background: rgb(51,51,51);
}
footer p{
    padding-top: 15px;
}